Finding the Fourth Proportional to 122,895.14, 169,611.44 and 69,190.65
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Solution
The fourth proportional to 122,895.14, 169,611.44 and 69,190.65 is: 95,492.19
Step by Step Solution
- Step 1: Write the proportion equation
122,895.14 : 169,611.44 = 69,190.65 : x - Step 2: Convert to fraction form
122,895.14/169,611.44 = 69,190.65/x - Step 3: Cross multiply
122,895.14x = 169,611.44 × 69,190.65 - Step 4: Simplify right side
122,895.14x = 11,735,525,435.08 - Step 5: Solve for x
x = 11,735,525,435.08/122,895.14 - Step 6: Final answer
x = 95,492.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.